{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell line", "cell type", "DNA", "protein"], "input": "The numbers of estrogen receptor ( ER ) in human peripheral leucocytes in 22 women with climacteric syndrome were measured by radioligand method ."}
{"RNA": [], "cell line": [], "cell type": ["human peripheral leucocytes"], "DNA": [], "protein": ["estrogen receptor", "ER"]}